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java.lang.NullPointerException: Exception in server tick loop at net.minecraft.server.v1_10_R1.JsonList.load(JsonList.java:195) at net.minecraft.server.v1_10_R1.DedicatedPlayerList.z(SourceFile:99) at net.minecraft.server.v1_10_R1.DedicatedPlayerList.<init>(SourceFile:25) at net.minecraft.server.v1_10_R1.DedicatedServer.init(DedicatedServer.java:180) at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:539) at java.lang.Thread.run(Thread.java:745)